Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 27 Nov 2001 02:12:52 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 27 Nov 2001 02:12:34 -0500 Received: from gull.mail.pas.earthlink.net ([207.217.120.84]:52457 "EHLO gull.prod.itd.earthlink.net") by vger.kernel.org with ESMTP id ; Tue, 27 Nov 2001 02:12:31 -0500 Date: Tue, 27 Nov 2001 02:15:13 -0500 To: linux-kernel@vger.kernel.org, ltp-list@lists.sourceforge.net Cc: torvalds@transmeta.com, andrea@suse.de Subject: VM tests on 5 recent kernels Message-ID: <20011127021513.A228@earthlink.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i From: rwhron@earthlink.net Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 5 recent kernels: mtest01 Averages for 10 mtest01 runs ------- mtest01 allocates and writes to 80% of virtual memory. Listen to mp3 sampled at 128k. mp3 on 2.4.16 skipped more than 2.4.15-pre6. 2.4.15-pre6 and 2.5.1-pre1 did best. (fastest time, highest mp3 play). 2.4.16-vm is a patch from http://surriel.com/patches/ 2.4.15-pre6 mp3 played 375 of 376 seconds 99.7% bytes allocated: 1654023782 User time (seconds): 20.040 System time (seconds): 3.902 Elapsed (wall clock) time: 37.554 Percent of CPU this job got: 63.30 Major (requiring I/O) page faults: 103.8 Minor (reclaiming a frame) faults: 404608.3 2.4.15aa1 mp3 played 447 of 449 seconds 99% bytes allocated: 1663880396 User time (seconds): 20.115 System time (seconds): 3.310 Elapsed (wall clock) time: 44.818 Percent of CPU this job got: 51.70 Major (requiring I/O) page faults: 146.8 Minor (reclaiming a frame) faults: 407006.6 2.4.16-vm mp3 played 271 of 442 seconds 61% bytes allocated: 1392508928 User time (seconds): 17.051 System time (seconds): 2.574 Elapsed (wall clock) time: 44.130 Percent of CPU this job got: 44.30 Major (requiring I/O) page faults: 146.8 Minor (reclaiming a frame) faults: 340758.5 2.4.16 mp3 played 312 of 371 seconds 84% bytes allocated: 1603272704 User time (seconds): 19.477 System time (seconds): 4.645 Elapsed (wall clock) time: 37.096 Percent of CPU this job got: 64.40 Major (requiring I/O) page faults: 105.7 Minor (reclaiming a frame) faults: 392213.3 2.5.1-pre1 mp3 played 361 of 365 seconds 99% bytes allocated: 1606313574 User time (seconds): 19.448 System time (seconds): 5.011 Elapsed (wall clock) time: 36.475 Percent of CPU this job got: 66.60 Major (requiring I/O) page faults: 105.9 Minor (reclaiming a frame) faults: 392959.1 mmap001 Averages for 5 mmap001 runs ------- mmap, touch, msync, munmap on 500000 pages. Listen to mp3 sampled at 128k. Overall, this test had less variance. 2.4.15-pre6 had the most mp3 playtime, but also took significantly more wall time. 2.4.15aa1 did well with high mp3 playtime, low wall clock time, and the lowest percentage of CPU usage. 2.4.15-pre6 mp3 played 873 of 874 seconds 99.8% pages allocated: 500000 User time (seconds): 19.612 System time (seconds): 24.858 Elapsed (wall clock) time: 174.616 Percent of CPU this job got: 25.00 Major (requiring I/O) page faults: 500154.2 Minor (reclaiming a frame) faults: 34.6 2.4.15aa1 mp3 played 730 of 738 seconds 99% pages allocated: 500000 User time (seconds): 19.444 System time (seconds): 17.330 Elapsed (wall clock) time: 147.542 Percent of CPU this job got: 24.20 Major (requiring I/O) page faults: 500188.8 Minor (reclaiming a frame) faults: 31.2 2.4.16-vm mp3 played 704 of 745 seconds 94% pages allocated: 500000 User time (seconds): 19.670 System time (seconds): 16.554 Elapsed (wall clock) time: 148.908 Percent of CPU this job got: 23.80 Major (requiring I/O) page faults: 500163.2 Minor (reclaiming a frame) faults: 37.6 2.4.16 mp3 played 691 of 724 seconds 95% pages allocated: 500000 User time (seconds): 19.438 System time (seconds): 21.496 Elapsed (wall clock) time: 144.714 Percent of CPU this job got: 27.80 Major (requiring I/O) page faults: 500157.6 Minor (reclaiming a frame) faults: 39.4 2.5.1-pre1 mp3 played 666 of 715 seconds 93% pages allocated: 500000 User time (seconds): 19.400 System time (seconds): 20.550 Elapsed (wall clock) time: 142.922 Percent of CPU this job got: 27.60 Major (requiring I/O) page faults: 500159.0 Minor (reclaiming a frame) faults: 39.8 Hardware -------- Athlon 1333 1024 MB RAM 1027 MB swap Hope this helps. -- Randy Hron - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/